US 12,081,081 B2
Method for producing a stack of metal sheets, stack of metal sheets, machine component, electric motor and drive train
Magnus Reichert, Reutlingen (DE); Michael Schaich, Reutlingen (DE); Florian Hassler, Dettingen (DE); Wojtek Kolasinski, Reutlingen (DE); Peter Braun, Niirtingen (DE); and Fabienne Anhorn, Reutlingen (DE)
Assigned to ElringKlinger AG, Dettingen (DE)
Filed by ElringKlinger AG, Dettingen (DE)
Filed on Mar. 3, 2022, as Appl. No. 17/685,819.
Application 17/685,819 is a continuation of application No. PCT/EP2019/082566, filed on Nov. 26, 2019.
Claims priority of application No. 10 2019 213 658.3 (DE), filed on Sep. 9, 2019.
Prior Publication US 2022/0271631 A1, Aug. 25, 2022
Int. Cl. H02K 15/02 (2006.01); B32B 15/01 (2006.01); B32B 37/12 (2006.01); B32B 38/00 (2006.01); H02K 1/12 (2006.01); H02K 1/22 (2006.01)
CPC H02K 15/02 (2013.01) [B32B 15/01 (2013.01); B32B 37/1207 (2013.01); B32B 38/0004 (2013.01); H02K 1/12 (2013.01); H02K 1/22 (2013.01); B32B 2250/03 (2013.01); B32B 2307/732 (2013.01)] 20 Claims
OG exemplary drawing
 
1. Method for producing a stack of lamination, the method comprising the following:
coating one or more laminations with a bonding agent;
bonding a plurality of laminations to form a sheet metal laminate by means of a first activation of the bonding agent;
dividing the sheet metal laminate to produce a plurality of sheet metal laminate units and/or separating out a plurality of sheet metal laminate units from the sheet metal laminate; and
bonding the plurality of sheet metal laminate units to form a stack of laminations by means of a second activation of the bonding agent,
wherein one or more parameters in the first activation and the second activation differ from one another.